Portable lantern



FIG. 1 is a side elevational view of a portable lantern showing my newdesign, the other side being identical.

FIG. 2 is a top plan view of the lantern;

FIG. 3 is a front elevational view of the lantern;

FIG. 4 is a rear elevational view of the lantern;

FIG. 5 is a bottom plan view of the lantern.

The broken lines are shown for illustrative purposes only.

The ornamental design for a portable lantern, as shown and described.